Acquisition method (AMC)
3
FSC 5331 × O-RING
O-RING
5331-00-198-7957 FSC 5331
NSN 5331-00-198-7957 (also written 5331001987957; NIIN 00-198-7957) is an o-ring in Federal Supply Class 5331, O-Rings. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC L: annual buy value is below the screening threshold. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| MATERIAL MATT | RUBBER FLUOROCARBON CLASS FPM |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 1.045 AND INCHES MAXIMUM 1.057 |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.067 AND INCHES MAXIMUM 0.073 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 10454 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 18343 | 04034 | SETRA SYSTEMS, INC. DBA GEMS SENSORS |
| 8711164 ITEM 4 | 71871 | ALFA LAVAL INC |
| 8711164-04 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
—
Purchases
0
Total spend
—
Aug 11, 2026
Last purchased
1 · 1.0/yr
Purchase records
$502.20
Total demand
$502.20
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 11, 2026 | SPE7L126V160A ↗ | TNL SALES LLC | — | $502.20 |
Demand history
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
TNL SALES LLC
last award Aug 2026
ALFA LAVAL INC
no award yet
no awards on record
Listed source SETRA SYSTEMS, INC. DBA GEMS SENSORS
no award yet
no awards on record
Listed source ZF INDUSTRIEANTRIEBE WITTEN GMBH
no award yet
no awards on record
Listed source TNL SALES LLC won the only award on record. TNL SALES LLC won without being a listed source.
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Nov 4, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-00-198-7957/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5331-00-198-7957/